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Program Wiring Subset Unit from LEO III
This microprogram unit was rescued from LEO III/25 at Worthing by David Morley.
The LEO III/25 installed for the Inland Revenue at Worthing had over 100 of these units which each held different instructions for processing data. The tiny iron cores were threaded by hand at the factory, which required incredible accuracy.
This microprogram is currently on display in the main gallery as part of our LEO exhibition for the National Lottery Heritage Funded-project 'Swiss Rolls, Tea and the Electronic Office'.
Manufacturer: LEO Computers Ltd
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This exhibit has a reference ID of CH55625. Please quote this reference ID in any communication with the Centre for Computing History.